Commodity200520062007200820092011
Nails, tacks, drawing pins, staples (excl. of 83.05) & sim. arts., of coppe ...$6,484$129$257$384  
Washers (incl. spring washers) of copper$24,894$14,879$115$652$1,278 
Non-threaded arts. (e.g., rivets, cotters), of copper (excl. of 7415.10 & 7 ...$26,332$3,247$107,178$148,749$12,366$37,611
Threaded arts. of copper (excl. of 7415.33)$4,774$1,047$385   
Total$62,484$19,302$107,935$149,785$13,644$37,611